package weibo4j.http;

import java.io.File;

public class FileType {
/**
 * 根据文件后缀名获得对应的MIME类型。
 * @param file
 */
public String getMIMEType(File file)
{
String type="*/*";
String fName=file.getName();
//获取后缀名前的分隔符"."在fName中的位置。
int dotIndex = fName.lastIndexOf(".");
if(dotIndex < 0){
return type;
}
/* 获取文件的后缀名 */
String end=fName.substring(dotIndex,fName.length()).toLowerCase();
if(end=="")return type;
//在MIME和文件类型的匹配表中找到对应的MIME类型。
for(int i=0;i<MIME_MapTable.length;i++){
if(end.equals(MIME_MapTable[i][0]))
type = MIME_MapTable[i][1];
}
return type;
}

private final String[][] MIME_MapTable={
  //{后缀名，MIME类型}
{".3gp","video/3gpp"},
{".apk","application/vnd.android.package-archive"},
{".asf","video/x-ms-asf"},
{".avi","video/x-msvideo"},
{".bin","application/octet-stream"},
{".bmp",  "image/bmp"},
{".c","text/plain"},
{".class","application/octet-stream"},
{".conf","text/plain"},
{".cpp","text/plain"},
{".doc","application/msword"},
{".exe","application/octet-stream"},
{".gif","image/gif"},
{".gtar","application/x-gtar"},
{".gz","application/x-gzip"},
{".h","text/plain"},
{".htm","text/html"},
{".html","text/html"},
{".jar","application/java-archive"},
{".java","text/plain"},
{".jpeg","image/jpeg"},
{".jpg","image/jpeg"},
{".js","application/x-javascript"},
{".log","text/plain"},
{".m3u","audio/x-mpegurl"},
{".m4a","audio/mp4a-latm"},
{".m4b","audio/mp4a-latm"},
{".m4p","audio/mp4a-latm"},
{".m4u","video/vnd.mpegurl"},
{".m4v","video/x-m4v"},
{".mov","video/quicktime"},
{".mp2","audio/x-mpeg"},
{".mp3","audio/x-mpeg"},
{".mp4","video/mp4"},
{".mpc","application/vnd.mpohun.certificate"},
{".mpe","video/mpeg"},
{".mpeg","video/mpeg"},
{".mpg","video/mpeg"},
{".mpg4","video/mp4"},
{".mpga","audio/mpeg"},
{".msg","application/vnd.ms-outlook"},
{".ogg","audio/ogg"},
{".pdf","application/pdf"},
{".png","image/png"},
{".pps","application/vnd.ms-powerpoint"},
{".ppt","application/vnd.ms-powerpoint"},
{".prop","text/plain"},
{".rar","application/x-rar-compressed"},
{".rc","text/plain"},
{".rmvb","audio/x-pn-realaudio"},
{".rtf","application/rtf"},
{".sh","text/plain"},
{".tar","application/x-tar"},
{".tgz","application/x-compressed"}, 
{".txt","text/plain"},
{".wav","audio/x-wav"},
{".wma","audio/x-ms-wma"},
{".wmv","audio/x-ms-wmv"},
{".wps","application/vnd.ms-works"},
{".xml","text/xml"},
{".xml","text/plain"},
{".z","application/x-compress"},
{".zip","application/zip"},
{"","*/*"}
};
}
